NC17z Well-known member Mar 9, 2009 #1 Does anyone know if an Achromat Lens is necessary with the Letus Extreme and the HPX170? If so, Does anyone know if I can use my old Redrock M2 SD Achromat Lens? Thanks in andvance for any responses, Len
Does anyone know if an Achromat Lens is necessary with the Letus Extreme and the HPX170? If so, Does anyone know if I can use my old Redrock M2 SD Achromat Lens? Thanks in andvance for any responses, Len
H Huy Vu Veteran Mar 9, 2009 #2 The Letus Extreme should already come with an achromat. It's part of the adapter itself.
